A cement stabilized soil laboratory strength measurement device and method

Abstract

The present application discloses a cement-stabilized soil laboratory strength determination device and method, which relates to the field of cement-stabilized soil testing, and the device includes: a movable platform, including mutually spliced ​​guide rail frames, and the guide rail frames are provided with a drive motor and a base, and a screw is provided between the drive motor and the base; a support table, slidably arranged on the guide rail frame, and the support table cooperates with the screw through a nut; a feeding assembly, arranged on the side of the movable platform; a maintenance assembly, arranged on the support table, and the maintenance assembly is connected to the water supply assembly; a test assembly, arranged in the bearing tube, and a plurality of specimen bodies are placed in the test assembly. The present application prepares materials for cement-stabilized soil testing in batches, adopts different proportions to efficiently prepare specimens, and adopts maintenance conditions under the same environment to reduce errors, and integrates the test assembly for measurement. The entire device integrates specimen preparation, maintenance and measurement into one.

Description

Technical Field

[0001] The present application relates to the field of cement-stabilized soil testing, and in particular to a device and method for determining the laboratory strength of cement-stabilized soil. Background Art

[0002] Cement-stabilized soil is an important road construction material and is widely used in highway construction. It is an artificially improved soil made by adding an appropriate amount of cement to the soil, fully mixing, compacting and curing under appropriate temperature conditions. Cement hydration is the core link in the curing process of cement-stabilized soil, including the initial hydration period, gel period and hardening period. The whole process reacts gradually, and the hydration products produced are intertwined to form a complex three-dimensional network structure, which constitutes the skeleton of the cement-stabilized soil and improves the strength of the cement-stabilized soil.

[0003] Each time the cement dosage for stabilized soil is selected, it needs to be determined based on different engineering uses and soil conditions. Different uses have different requirements for the strength, stability and durability of the material. In addition, the soil type, particle size distribution, plasticity index and other physical properties will affect the cement curing effect and the final engineering performance. Before determining the final cement dosage, it is usually necessary to conduct a series of laboratory tests, such as compaction tests and compressive strength tests, to evaluate the performance of the mixture under different dosages.

[0004] When conducting experiments, it is necessary to carry out sample preparation, curing, and compressive strength testing in sequence. During the curing process of the sample, hydration is greatly affected by external factors such as humidity and temperature, and a certain amount of time is required to ensure the hydration reaction. It can only be used for experiments after curing to the specified age. In particular, for different parameter cements, separate preparation and curing tests are required. The whole process lasts a long time and is inefficient.

[0005] Therefore, it is necessary to provide a cement-stabilized soil laboratory strength measurement device and method to solve the problems raised in the above background technology. Summary of the Invention

[0006] To achieve the above objectives, the present application provides the following technical solution: a cement-stabilized soil laboratory strength measurement device, comprising:

[0007] The movable platform includes guide rail frames connected to each other, and a drive motor and a base are provided on the guide rail frames, and a screw is provided between the drive motor and the base;

[0008] A supporting platform is slidably arranged on the guide rail frame, and the supporting platform is matched with the screw rod through a nut;

[0009] A feeding assembly is arranged on the side of the movable platform, and the feeding assembly includes a clamping seat fixed on the side of the guide rail frame, a vertical frame and an extension rod are vertically arranged on the clamping seat, and a storage tank is slidably arranged on the vertical frame and the extension rod, and a sliding track connected to the storage tank is provided on the vertical frame, and the storage tank is driven by a supply motor fixed on the upper end of the vertical frame;

[0010] A curing assembly is connected to the water supply assembly, wherein the curing assembly includes a shell, a bearing cylinder and a transfer chamber. The shell is fixedly arranged on the supporting platform, and the interior of the shell is hollow. The bearing cylinder is inserted from the upper end and placed. The transfer chamber is connected to the interior of the bearing cylinder. The supporting platform supports the curing assembly to slide under the storage tank.

[0011] The test assembly is arranged in the carrying tube, and a plurality of test pieces are placed in the test assembly.

[0012] Furthermore, preferably, the storage tank stores sand and cement for testing, and is provided with a quantitative output control device, which controls the ratio and output volume of sand and cement outputted from the storage tank into the specimen body.

[0013] Further, preferably, the water supply assembly includes: a fixed plate, a water tank, a regulating pump, a supply pipe and an adapter, wherein the water tank is fixed by the fixed plate, the water tank, the regulating pump and the adapter are connected in sequence through the supply pipe, and the adapter is connected to the adapter bin.

[0014] Furthermore, preferably, the interior of the supporting tube is a cylinder with a closed lower end, and water is supplied to the interior of the supporting tube and penetrates into the specimen body to participate in the specimen preparation.

[0015] Furthermore, preferably, the test component includes:

[0016] An adjustment seat, wherein a slide rail is provided at the lower end of the adjustment seat, and the adjustment seat is slidably arranged on the supporting platform via the slide rail, and the position of the adjustment seat is adjusted by sliding the slide rail;

[0017] A driving cylinder is fixedly arranged on the adjustment seat and is connected to a piston rod;

[0018] The support is fixedly arranged on the adjustment seat, and a crankshaft is rotatably arranged on the support. The middle of the crankshaft is connected to the piston rod, one end of the crankshaft is connected to the crank, and the other end is connected to the partition plate through the shaft.

[0019] Furthermore, preferably, a plurality of placement holes are evenly provided on the separation plate, the placement holes correspond to the placement of the specimen bodies, a slot is provided at the bottom of the supporting tube for the shaft rod to pass through, the slot reserves a margin for the lateral movement adjustment of the shaft rod, and the slot is sealed by a sealing ring.

[0020] Furthermore, preferably, an abutment disk is sleeved and fixedly provided on the shaft rod, a side surface of the abutment disk abuts against a side wall of the specimen body, and a clamping groove is provided on the side surface of the abutment disk to clamp the specimen body.

[0021] Furthermore, as a preference, the lower end surface of the separation plate is higher than the upper end surface of the supporting cylinder. By adjusting the position of the adjustment seat, the center line of the separation plate and the center line of the supporting cylinder are misaligned. The crankshaft rotates so that the specimen body contacts the inner wall of the supporting cylinder. The specimen body is squeezed, and a strain gauge is attached to the inner wall of the supporting cylinder to monitor the deformation of the inner wall and calculate the bearing capacity of the specimen body.

[0022] Furthermore, preferably, the specimen body includes a soft skeleton in a columnar shape, and a separation net covering the soft skeleton, and the separation net is water permeable.

[0023] A method for determining the laboratory strength of cement-stabilized soil comprises the following steps:

[0024] I. Insert multiple specimens into the corresponding placement holes of the separation plate, adjust the positions of different specimens by rotating the crankshaft, and simultaneously move the supporting platform so that the specimens are placed under the storage tank respectively, and then fill with sand and cement. Different specimens are filled with sand and cement in different ratios.

[0025] II. The water supply component supplies water to the interior of the bearing cylinder to ensure that the water required for the cement and sand to be mixed in the specimen to prepare cement-stabilized soil. During the mixing process, the drive motor drives the screw to rotate back and forth, causing the support platform to move back and forth periodically to promote mixing;

[0026] III. After the cement-stabilized soil in the specimen is cured, the strength test of the specimen is carried out by adjusting the position of the separation plate and coordinating the rotation of the crankshaft.

[0027] Compared with the prior art, this application provides a cement-stabilized soil laboratory strength measurement device and method, which has the following beneficial effects:

[0028] The crankshaft is driven by a drive cylinder to rotate, and the separator disk rotates accordingly. The corresponding specimens located in different placement holes rotate and adjust their positions around the axis of the separator disk, making it easy to control the different specimens to be adjusted in sequence below the discharge port of the storage tank for material addition. The frequency of position change of different specimens, the frequency of material output from the storage tank, and the frequency of water flow delivered by the regulating pump can be coordinated and controlled. The preparation of cement-stabilized soil specimens in different specimens is completed in a multiple and small amount manner. The curing components provide curing conditions under the same environment to reduce errors. The separator net and soft skeleton in the specimen provide a forming mold for the preparation of cement-stabilized soil. The soft skeleton has little effect on the subsequent strength test, and even if the cement concrete breaks during the strength test, it can prevent debris from falling. By adjusting the position of the adjustment seat, the center line of the separator disk is offset from the center line of the bearing cylinder. The crankshaft rotates so that the specimen contacts the inner wall of the bearing cylinder, where the specimen is squeezed. Strain gauges are attached to the inner wall of the bearing cylinder to monitor the deformation of the inner wall and calculate the bearing capacity of the specimen. The entire device integrates specimen preparation, curing, and measurement, improving measurement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0030] Figure 1 This is a schematic diagram of the overall structure of a cement-stabilized soil laboratory strength test device;

[0031] Figure 2 This is a schematic diagram of the water supply component structure of a cement-stabilized soil laboratory strength test device;

[0032] Figure 3 This is a schematic diagram of the curing component structure of a cement-stabilized soil laboratory strength test device;

[0033] Figure 4 This is a schematic diagram of the test component structure of a cement-stabilized soil laboratory strength test device;

[0034] Figure 5 This is a schematic diagram of the specimen structure of a cement-stabilized soil laboratory strength test device;

[0035] In the figure: 1. movable platform; 11. guide rail frame; 12. drive motor; 13. screw; 14. base; 2. supporting platform; 3. feeding assembly; 31. clamping seat; 32. stand; 33. extension rod; 34. supply motor; 35. storage tank; 4. water supply assembly; 41. fixing plate; 42. water storage tank; 43. regulating pump; 44. supply pipe; 45. adapter; 5. maintenance assembly; 51. shell; 52. bearing cylinder; 53. adapter bin; 6. test assembly; 61. adjusting seat; 62. slide rail; 63. driving cylinder; 64. crank; 65. crankshaft; 66. piston rod; 67. partition plate; 671. placement hole; 672. abutment plate; 68. support; 69. shaft; 7. specimen body; 71. soft skeleton; 72. partition net. DETAILED DESCRIPTION

[0036] See also Figure 1-Figure 5 In an embodiment of the present application, a cement-stabilized soil laboratory strength measurement device includes:

[0037] The movable platform 1 includes a guide rail frame 11 connected to each other, and a drive motor 12 and a base 14 are provided on the guide rail frame 11. A screw 13 is provided between the drive motor 12 and the base 14. Specifically, the screw 13 is rotated by controlling the drive motor 12;

[0038] The supporting platform 2 is slidably arranged on the guide rail frame 11, and the supporting platform 2 cooperates with the screw 13 through a nut. Specifically, the supporting platform 2 is driven by the screw 13 to adjust its position on the guide rail frame 11, so as to facilitate the addition of materials during the subsequent preparation of cement-stabilized soil specimens;

[0039] The feeding assembly 3 is arranged on the side of the movable platform 1, and the feeding assembly 3 includes a clamping seat 31 fixed on the side of the guide rail frame 11, and a vertical frame 32 and an extension rod 33 are vertically arranged on the clamping seat 31, and a storage tank 35 is slidably arranged on the vertical frame 32 and the extension rod 33, and a sliding track connected to the storage tank 35 is provided on the vertical frame 32, and the storage tank 35 is driven by a supply motor 34 fixed to the upper end of the vertical frame 32. Specifically, the storage tank 35 is sleeved on the extension rod 33 to guide the sliding, and the supply motor 34 drives the vertical height of the storage tank 35 to adjust the vertical height of the storage tank 35, so as to facilitate the storage tank 35 to add materials and avoid interference in subsequent operations, and the sliding track provided on the vertical frame 32 can prevent the storage tank 35 from deflecting left and right when sliding up and down, affecting the material filling accuracy;

[0040] The curing assembly 5 is connected to the water supply assembly 4, wherein the curing assembly 5 includes a shell 51, a bearing cylinder 52 and a transfer chamber 53. The shell 51 is fixedly arranged on the supporting platform 2, and the interior of the shell 51 is hollow. The bearing cylinder 52 is inserted from the upper end and placed. The transfer chamber 53 is connected to the interior of the bearing cylinder 52. The supporting platform 2 supports the curing assembly 5 to slide under the storage tank 35.

[0041] The test assembly 6 is disposed in the carrying tube 52 , and a plurality of test pieces 7 are placed in the test assembly 6 .

[0042] It should be explained that during the entire process, the required number of specimens 7 are first placed in the test assembly 6, and the supporting platform 2 is adjusted to the position below the feeding assembly 3. Specifically, the positions of the curing assembly 5 and the test assembly 6 located on the supporting platform 2 are adjusted so that the upper end of the specimen 7 is aligned with the outlet position of the storage tank 35, and the height of the storage tank 35 is adjusted to a suitable position, and material is added to the specimen 7. At the same time, the water supply assembly 4 supplies the water required for the preparation and curing of the cement-stabilized soil specimen to the curing assembly 5. After the preparation of the specimen 7 is completed, it is tested through the test assembly 6.

[0043] As a preferred embodiment, the storage tank 35 stores sand and cement for testing, and is provided with a quantitative output control device, which controls the ratio and output volume of sand and cement outputted from the storage tank 35 to the specimen body 7.

[0044] It needs to be explained that there are multiple specimens 7, and the measurement of cement-stabilized soil is mainly to determine the ratio of cement and sand corresponding to the highest strength. Correspondingly, the output of sand and cement is controlled by the storage tank 35 to control different specimens 7 to correspond to different ratios. Moreover, in the process of supplying sand and cement from the storage tank 35, the degree of mixing of sand, cement and water can be ensured by controlling the supply speed and frequency.

[0045] In this embodiment, Figure 2 The water supply assembly 4 includes: a fixed plate 41, a water tank 42, a regulating pump 43, a supply pipe 44 and an adapter 45, wherein the water tank 42 is fixed by the fixed plate 41, and the water tank 42, the regulating pump 43 and the adapter 45 are connected in sequence through the supply pipe 44, and the adapter 45 is connected to the adapter compartment 53. Specifically, the water supply amount and supply flow rate are controlled by the regulating pump 43.

[0046] It needs to be explained that, during the water supply process, the storage tank 35 is coordinated to supply sand and cement synchronously, and the water flow rate is controlled by adjusting the pump 43 so that the sand and cement are evenly mixed in the specimen body 7, reducing the subsequent mixing process. During the mixing process, the screw 13 is driven to rotate back and forth by the driving motor 12, so that the support platform 2 moves back and forth periodically to promote mixing. The whole process ensures that the cement stabilized soil specimen meets the test standards.

[0047] As a preferred embodiment, the interior of the supporting cylinder 52 is a cylinder with a closed lower end. Water is supplied to the interior of the supporting cylinder 52 and penetrates into the specimen body 7 to participate in the specimen preparation.

[0048] It should be explained that after the preparation of the specimen 7 is completed, it is cured in the supporting tube 52 , and the supporting tube 52 meets the moisture and temperature required for curing.

[0049] As a preferred embodiment, the test component 6 includes:

[0050] An adjustment seat 61, wherein a slide rail 62 is provided at the lower end of the adjustment seat 61, and the adjustment seat 61 is slidably arranged on the supporting platform 2 via the slide rail 62, and the position of the adjustment seat 61 is slidably adjusted by the slide rail 62;

[0051] A driving cylinder 63 is fixedly mounted on the adjusting seat 61 and is connected to a piston rod 66;

[0052] A support 68 is fixedly mounted on the adjustment base 61, and a crankshaft 65 is rotatably mounted on the support 68. The piston rod 66 is connected to the center of the crankshaft 65. One end of the crankshaft 65 is connected to the crank 64, and the other end is connected to the separator plate 67 via a shaft 69. In a preferred embodiment, the separator plate 67 is evenly provided with a plurality of placement holes 671, each corresponding to the placement of the specimen body 7. The bottom of the support cylinder 52 is provided with a slot for the shaft 69 to pass through. The slot reserves margin for the lateral movement and adjustment of the shaft 69, and the slot is sealed by a sealing ring.

[0053] It should be explained that the crankshaft 65 is driven to rotate by the drive cylinder 63, and the separation disk 67 follows the adjustment rotation. The corresponding specimen bodies 7 located in different placement holes 671 rotate and adjust their positions around the axis of the separation disk 67, so as to facilitate the control of different specimen bodies 7 to be adjusted in turn below the discharge port of the storage tank 35 for material addition. In addition, the frequency of position change of different specimen bodies 7, the frequency of material output from the storage tank 35 and the frequency of water delivery by the regulating pump 43 can be coordinated and controlled, so as to complete the preparation of cement-stabilized soil specimens in different specimen bodies 7 in a multiple and small amount manner.

[0054] As a preferred embodiment, an abutment plate 672 is also sleeved and fixedly provided on the shaft rod 69, and the side of the abutment plate 672 abuts against the side wall of the specimen body 7, and a clamping groove is opened on the side of the abutment plate 672 to clamp the specimen body 7. Specifically, the specimen body 7 is fixed together by the abutment plate 672 and the placement hole 671.

[0055] As a preferred embodiment, the lower end surface of the separating plate 67 is too high than the upper end surface of the supporting cylinder 52. By adjusting the position of the adjusting seat 61, the center line of the separating plate 67 is misaligned with the center line of the supporting cylinder 52. The crankshaft 65 rotates to make the specimen body 7 contact the inner wall of the supporting cylinder 52. The specimen body 7 is squeezed, and a strain gauge is attached to the inner wall of the supporting cylinder 52 to monitor the deformation of the inner wall and calculate the bearing force of the specimen body 7.

[0056] As a preferred embodiment, the specimen body 7 includes a soft skeleton 71 in the form of a column, and a separation net 72 covering the soft skeleton 71. The separation net 72 is water permeable. Specifically, during the specimen preparation process, water is introduced into the supporting tube 52, and the water penetrates into the specimen body 7 through the separation net 72. At the same time, sand and cement are filled into the specimen body 7 through the storage tank 35 to prepare the specimen.

[0057] It needs to be explained that cement-stabilized soil test materials are prepared in batches through the specimen body 7. On the one hand, different proportions are used to efficiently prepare specimens, and at the same time, the curing conditions under the same environment are used to reduce errors. Moreover, the partition net 72 and the soft skeleton 71 in the specimen body 7 provide a forming mold for the preparation of cement-stabilized soil, and the soft skeleton 71 has little effect on the subsequent strength test. Even if the cement concrete is broken during the strength test, the falling debris can be avoided. The entire device integrates specimen preparation, curing and measurement into one, thereby improving the measurement efficiency.

[0058] A method for determining the laboratory strength of cement-stabilized soil comprises the following steps:

[0059] I. Insert multiple specimens 7 into the corresponding placement holes 671 of the separation plate 67, adjust the positions of different specimens 7 by rotating the crankshaft 65, and simultaneously move the support platform 2 so that the specimens 7 are placed under the storage tank 35 respectively, and then fill with sand and cement. Different specimens 7 are filled with sand and cement in different ratios.

[0060] II. The water supply assembly 4 supplies water to the interior of the supporting cylinder 52 to ensure that the water required for the cement and sand in the specimen body 7 to be mixed to prepare the cement-stabilized soil. During the mixing process, the drive motor 12 drives the screw 13 to rotate back and forth, causing the support platform 2 to move back and forth periodically to promote mixing;

[0061] III. After the cement-stabilized soil in the specimen body 7 is cured, the strength of the specimen body 7 is tested by adjusting the position of the separation plate 67 and coordinating the rotation of the crankshaft 65 .

[0062] The above is only a preferred specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and application concept of the present application within the technical scope disclosed in the present application, and they should be covered by the scope of protection of the present application.

Claims

1. A cement stabilized soil laboratory strength test device, characterized in that: include: The movable platform (1) comprises guide rail frames (11) connected to each other, wherein a driving motor (12) and a base (14) are arranged on the guide rail frame (11), and a screw rod (13) is arranged between the driving motor (12) and the base (14); A support platform (2) is slidably arranged on the guide rail frame (11), and the support platform (2) cooperates with the screw rod (13) via a nut; A material supply assembly (3) is arranged on the side of the movable platform (1), the material supply assembly (3) comprises a clamping seat (31) fixed on the side of the guide rail frame (11), a stand (32) and an extension rod (33) are vertically arranged on the clamping seat (31), and a material storage tank (35) is slidably arranged on the stand (32) and the extension rod (33), a sliding track connected to the material storage tank (35) is arranged on the stand (32), and the material storage tank (35) is driven by a supply motor (34) fixed on the upper end of the stand (32); A maintenance component (5) is connected to the water supply component (4), wherein the maintenance component (5) comprises a shell (51), a bearing cylinder (52) and a transfer bin (53), the shell (51) being fixedly arranged on the support platform (2), and the shell (51) is hollow inside, and the bearing cylinder (52) is inserted and placed from the upper end, the transfer bin (53) is connected to the inside of the bearing cylinder (52), and the support platform (2) supports the maintenance component (5) to slide to the bottom of the storage tank (35); A test assembly (6) is arranged in the carrying tube (52), and a plurality of test pieces (7) are arranged in the test assembly (6); The test component (6) comprises: An adjustment seat (61), wherein a slide rail (62) is provided at the lower end of the adjustment seat (61), and the adjustment seat (61) is slidably arranged on the support platform (2) via the slide rail (62), and the position of the adjustment seat (61) is slidably adjusted via the slide rail (62); A driving cylinder (63) is fixedly disposed on the adjustment seat (61), and the driving cylinder (63) is connected to a piston rod (66); A support (68) is fixedly mounted on the adjustment seat (61), and a crankshaft (65) is rotatably mounted on the support (68); the middle of the crankshaft (65) is connected to the piston rod (66); one end of the crankshaft (65) is connected to a crank (64), and the other end is connected to a partition plate (67) via a shaft (69); a plurality of placement holes (671) are evenly arranged on the partition plate (67); The shaft (69) is also sleeved and fixedly provided with an abutment plate (672), the side of which abuts against the side wall of the specimen body (7), and the side of which is provided with a clamping groove for clamping the specimen. The lower end surface of the separation plate (67) is higher than the upper end surface of the supporting tube (52). By adjusting the position of the adjustment seat (61), the center line of the separation plate (67) and the center line of the supporting tube (52) are misaligned. The crankshaft (65) rotates so that the specimen body (7) contacts the inner wall of the supporting tube (52), the specimen body (7) is squeezed, and a strain gauge is attached to the inner wall of the supporting tube (52) to monitor the deformation of the inner wall and calculate the bearing force of the specimen body (7).

2. A cement-stabilized soil laboratory strength measuring device according to claim 1, characterized in that: The material storage tank (35) stores test sand and cement, and a quantitative output control device is provided in the material storage tank (35). The quantitative output control device controls the ratio and output amount of the sand and cement outputted from the material storage tank (35) to the test piece body (7).

3. A cement-stabilized soil laboratory strength measuring device according to claim 1, characterized in that: The water supply assembly (4) comprises: a fixing plate (41), a water storage tank (42), a regulating pump (43), a supply pipe (44) and an adapter (45), wherein the water storage tank (42) is fixed by the fixing plate (41), the water storage tank (42), the regulating pump (43) and the adapter (45) are connected in sequence by the supply pipe (44), and the adapter (45) is connected to the adapter bin (53).

4. A cement-stabilized soil laboratory strength measuring device according to claim 1, characterized in that: The interior of the supporting tube (52) is a cylinder with a closed lower end. Water is supplied to the interior of the supporting tube (52) and penetrates into the specimen body (7) to participate in the specimen preparation.

5. A cement-stabilized soil laboratory strength test device according to claim 1, characterized in that: The placement hole (671) is corresponding to the placement of the specimen body (7), and a slot hole for the shaft rod (69) to pass through is opened at the bottom of the supporting tube (52), the slot hole reserves a margin for the lateral movement adjustment of the shaft rod (69), and the slot hole is sealed by a sealing ring.

6. A cement-stabilized soil laboratory strength test device according to claim 1, characterized in that: The specimen body (7) comprises a columnar soft skeleton (71) and a separation net (72) covering the soft skeleton (71), wherein the separation net (72) is water permeable.

7. A method for determining the laboratory strength of cement-stabilized soil, using a cement-stabilized soil laboratory strength determination device as claimed in any one of claims 1 to 6, characterized in that: The steps include: Ⅰ. Inserting a plurality of test pieces (7) into corresponding placement holes (671) of the separation plate (67), adjusting the positions of different test pieces (7) by rotating the crankshaft (65), and simultaneously moving the support platform (2) so that the test pieces (7) are respectively placed under the storage tank (35) to be filled with sand and cement, wherein different test pieces (7) are filled with sand and cement in different proportions; II. The water supply component (4) supplies water to the interior of the bearing cylinder (52) to ensure that the cement and sand in the specimen body (7) have the required water content to prepare cement-stabilized soil. During the mixing process, the driving motor (12) drives the screw (13) to reciprocate, causing the supporting platform (2) to reciprocate periodically to promote mixing. III. After the cement-stabilized soil in the specimen body (7) is cured, the strength test of the specimen body (7) is performed by adjusting the position of the separation plate (67) and coordinating the rotation of the crankshaft (65).

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